Finding the Fourth Proportional to 328.25, 492.26 and 97.08
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Solution
The fourth proportional to 328.25, 492.26 and 97.08 is: 145.58
Step by Step Solution
- Step 1: Write the proportion equation
328.25 : 492.26 = 97.08 : x - Step 2: Convert to fraction form
328.25/492.26 = 97.08/x - Step 3: Cross multiply
328.25x = 492.26 × 97.08 - Step 4: Simplify right side
328.25x = 47,785.65 - Step 5: Solve for x
x = 47,785.65/328.25 - Step 6: Final answer
x = 145.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.